How can I give the additional domain controller full rights of main domain conteroller

My question is that I want the additional domain controller to have same services as that of main domain controller, so that if the domain controller is down, additional domain controller takes all the jobs.

Currently we have additional domain contoller, but when the main domain controller is down, the network is badly affected. Is it something to do with Schema......
shifka_75Asked:
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ocon827679Connect With a Mentor Commented:
I think that I answered the question.  I'm not so sure that it's what the author wants to hear, but I can't help that.
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ocon827679Commented:
No, it probably has more to do with the Global Catalog which is loaded on the first DC installed in a domain.  You can set the second controller as a  GC server also.  I'm a bit rusty here but I think that you use the admin tool Active Directory Domains and Trusts.  You drill down from the domain to the domain controller and open the properties.  There will be a checkbox in the General Property sheet that says saomething like "make this a Global Catalog."  Just check the box.  You can use the online help and ask the question "how do i create a GC?"  for the specifics.

Another reason that this may be occuring is the FSMO roles, such as the PDC emulator.  Unfortunately only one server can host the FSMO roles (meaning there can only be one PDC emulator, RID Master, Schema Master, etc.), so you can't have more than one FSMO role configured.  If you know that you are going to take one of the domain controllers down, you can transfer the FSMO roles that it hosts.  If the server goes down by itself there is a procedure to sieze the roles, but be forwarned that you don't want to bring the original server back online as "unpredictable" results could occur.

The PDC Emulator could be the one FSMO role that could be casuing your problem as it is responsible for legacy support and network time.  But again, since you can only have one PDC Emulator in a domain, there isn't much you can do.
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